Home / 42,101.54-63,162.40-14,021.83

Finding the Fourth Proportional to 42,101.54, 63,162.40 and 14,021.83

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Solution

The fourth proportional to 42,101.54, 63,162.40 and 14,021.83 is: 21,036.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,101.54 : 63,162.40 = 14,021.83 : x
  2. Step 2: Convert to fraction form
    42,101.54/63,162.40 = 14,021.83/x
  3. Step 3: Cross multiply
    42,101.54x = 63,162.40 × 14,021.83
  4. Step 4: Simplify right side
    42,101.54x = 885,652,435.19
  5. Step 5: Solve for x
    x = 885,652,435.19/42,101.54
  6. Step 6: Final answer
    x = 21,036.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.